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Cushion|Lab Grown|IGI

2.21ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG541252686

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG541252686

Diamond specifications and retailer prices

From $2,283 AUD
$1,600 USD
As of November 2, 2026
Save $6,865 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,634 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 2.21ct lab-grown cushion diamond

This 2.21ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541252686 or 541252686. Listed at 9 retailers as of November 1, 2026, with a 301% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.21
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541252686
Dimensions8.62 × 6.99 × 4.88 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.62 mm6.99 mm2.21 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541252686
Side View
Table 62.5%Crown 32.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $12,634 AUD|Low: $2,283 AUD|High: $15,429 AUD|Avg: $8,728 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$2,283 AUD
Retailer 6$5,693 AUD
Retailer 4$5,899 AUD
Retailer 2$7,816 AUD
Retailer 5$9,148 AUD
MOH London$12,634 AUD
Retailer 7$15,429 AUD

41 data points across 7 retailers

9 retailers$2,283 AUD to $9,148 AUD

B+
Cheapest Retailer
-
$2,283 AUD
$1,600 USD
B
Retailer 2
-
$5,362 AUD
$3,758 USD
View
B
Retailer 3
-
$5,693 AUD
$3,990 USD
View
Final sale: no returns
Retailer 4
-
$5,899 AUD
$4,134 USD
View
Price last confirmed 21 days ago
B
Retailer 5
-
$6,121 AUD
$4,290 USD
View
B
Retailer 6
-
$7,816 AUD
£4,313 GBP
View
B
Retailer 7
-
$9,148 AUD
$6,411 USD
View
Most Expensive
MOH London
LG541252686 · Nov 3
$12,634 AUD
£6,972 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $2,283 AUDSave up to $6,865 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.21ct Cushion
$2,283 AUD